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About Us

The Greenhouse Gas Protocol provides standards, guidance, tools, and trainings for business and government leaders to quantify and manage GHG emissions and become more efficient, resilient, and prosperous.

What is the GHG Protocol?

A nearly 20-year long partnership between the World Resources Institute (WRI) and the World Business Council for Sustainable Development (WBCSD), the Greenhouse Gas Protocol (GHG Protocol) works with governments, industry associations, NGOs, businesses, and other organizations around the world to build credible, effective, and robust GHG accounting and reporting platforms that serve as a foundation to address climate change. It establishes comprehensive, global, standardized frameworks for measuring and managing emissions from private and public sector operations, value chains, products, cities, and policies.

GHG Protocol provides online training opportunities and capacity-building support on its standards and tools. In addition, GHG Protocol offers companies and organizations the opportunity to apply for the “Built on GHG Protocol” mark that recognizes sector guidance, product rules, and tools that are in conformance with GHG Protocol standards.

To explore GHG Protocol resources for a businesses and organizations, visit our Companies and Organizations page. To explore GHG Protocol resources for a non-corporate audience, visit our Countries and Cities page. 

Who Uses the GHG Protocol?

The Greenhouse Gas Protocol supplies the world's most widely used greenhouse gas accounting standards.

In 2016, 92% of Fortune 500 companies responding to the CDP used GHG Protocol directly or indirectly through a program based on GHG Protocol.

The Corporate Standard provides the accounting platform for virtually every corporate GHG reporting program in the world. We also work with partners in key countries to develop national GHG emissions programs based on the GHG Protocol. Through their committment to the Compact of Mayors, hundreds of cities across the globe have also committed to using the GHG Protocol for Cities.

History of the GHG Protocol

The GHG Protocol Initiative arose when WRI and WBCSD recognized that an international standard for corporate GHG accounting and reporting would be necessary in light of evolving climate change policy. Together with large corporate partners such as British Petroleum and General Motors, in 1998 WRI introduced a report called, “Safe Climate, Sound Business.” It identified an action agenda to address climate change that included the need for standardized measurement of GHG emissions.

Similar initiatives were being discussed at WBCSD. In late 1997, WRI senior managers met with WBCSD officials and an agreement was reached to launch an NGO-business partnership to address standardized methods for GHG accounting in 1998. WRI and WBCSD then convened a core steering group comprised of members from environmental groups (such as WWF, Pew Center on Global Climate Change, The Energy Research Institute) and from industry (such as Norsk Hydro, Tokyo Electric, Shell) to guide the multi-stakeholder standards development process.

The first edition of the Corporate Accounting and Reporting Standard was published in 2001. Since then, the Corporate Standard has been updated with additional guidance that clarifies how companies can measure emissions from electricity and other energy purchases, and account for emissions from throughout their value chains. GHG Protocol has also developed a suite of calculation tools to assist companies in calculating their greenhouse gas emissions and measure the benefits of climate change mitigation projects.

The Paris Agreement, adopted within the United Nations Framework Convention on Climate Change (UNFCC) in December 2015, marks a historic turning point in global climate action. It commits all countries to limit global temperature rise, adapt to changes already occurring, and regularly increase efforts over time. GHG Protocol is developing standards, tools and online trainings that help countries and cities track progress towards their climate goals.

05 Sep
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07 Sep
Corporate Standard Training Webinar
The Corporate Standard Training Webinar is a perfect entry-point for corporate greenhouse gas emissions accounting.